Company lists · Data refreshed October 2026
Top 25 Vocabulary builder software companies worldwide
RevenueBase identified 613 company matches for vocabulary builder software companies worldwide as of October 2026 and tracks 8,031 professional contacts across them, including 1,867 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for vocabulary builder software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 20, 2026. Country and city lists for vocabulary builder software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest vocabulary builder software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,874 contacts → | ||||
Exact match “Duolingo is the most downloaded education app in the history of the App Store.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 1,008 contacts → | ||||
Exact match “Driven by the purpose of creating mutual understanding through language, Babbel has been building digital language learning products for consumers and businesses since 2007.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 534 contacts → | ||||
Exact match “La vida no es listen and repeat’.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 189 contacts → | ||||
Exact match “Founded in Montreal, QC in 2002, LRDG is the leading developer and supplier of online language training technology solutions in Canada.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 156 contacts → | ||||
Exact match “Mango Languages offers a cutting-edge digital adaptive language-learning system, leveraging proven methodologies and language-specific content to foster retention and rapidly…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 115 contacts → | ||||
Exact match “Founded in 2002, L Labs is an educational software company that focuses on developing innovative language learning tools.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 99 contacts → | ||||
Exact match “EnglishCentral Philippines Inc.(formerly Langrich-On: Language Proficiency Inc.) was founded in 2010 in Cebu, Philippines and was a Japanese start-up that uses Filipino…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 81 contacts → | ||||
Exact match “InnovativeLanguage.com offers an innovative, fun, and easy to use language learning system that is designed to get you speaking from the very first lesson.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 61 contacts → | ||||
Exact match “Flexge provides you with innovative and dynamic English learning courseware, designed to meet the unique needs of schools, universities and companies.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 54 contacts → | ||||
Exact match “iStoria is the world’s most enjoyable way to learn the English language through interesting stories.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 54 contacts → | ||||
Exact match “Hola!” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 51 contacts → | ||||
Exact match “Mrs Wordsmith creates award-winning books, games, and apps that make reading and writing irresistible to kids aged 3–13.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 35 contacts → | ||||
Exact match “By creating an inspiring and motivating environment for our teams, we can bring forward the most effectual learning formula for our students in this fast-paced modern world." –…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “Lingco is an adaptive language learning platform for schools.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 30 contacts → | ||||
Exact match “Membean is a vocabulary program that builds word consciousness.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match “NELTAS is a Leading Education and Innovation Company focused on language learning and enhancement with research based curriculum, training and assessment.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 30 contacts → | ||||
Exact match “Words Worth blends the web and mobile technologies to deliver an engaging, interactive, and stimulating English language learning system for teachers and students.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “Lingualeo is a personal online service for English language learning.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “Master English is an app for Spanish-speaking adults who need advanced English skills for their careers.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 27 contacts → | ||||
Exact match “phase6 ist ein Unternehmen der EdTech-Branche und Deutschlands führender Vokabeltrainer.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 26 contacts → | ||||
Exact match “Linguahouse.com is a leading online provider of English and Spanish language teaching resources, with over downloadable worksheets and nearly 1 million registered users worldwide.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 25 contacts → | ||||
Exact match “WordUp is revolutionising the way English vocabulary is learned around the world.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 25 contacts → | ||||
Exact match “Lingua Attack is an online language learning platform and resource designed to motivate and engage language learners in schools, universities, training centres and companies.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 24 contacts → | ||||
Exact match “Lingopanda (previously PingoLearn) is an English learning app that helps you practice pronunciation and vocabulary, so you can speak English confidently and clearly.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match “Connecting with another language is a difficult task, especially when you’re just starting out.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “vocabulary builder software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 613 vocabulary builder software companies worldwide
See the full list, filter by size, metro and specialty, and access 1,867 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Vocabulary builder software companies worldwide at a glance
As of Oct 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for vocabulary builder software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “vocabulary builder software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 1,867 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Vocabulary builder software companies by location
3 lists · largest firstEvery Vocabulary builder software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “vocabulary builder software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many vocabulary builder software companies are there worldwide?
RevenueBase identified 613 company matches for vocabulary builder software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Duolingo tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most vocabulary builder software companies?
The United States leads with 68 companies, followed by the United Kingdom (42) and India (41). Every vocabulary builder software companies list by country and city is linked on this page.
Which city has the most vocabulary builder software companies?
London leads with 23 company records, followed by Bangalore (10) and Sao Paulo (9).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,867 professional contacts with verified work emails tracked across these 613 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 613 vocabulary builder software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 vocabulary builder software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 613 matching company records for vocabulary builder software companies worldwide, with 8,031 tracked contacts and 1,867 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 vocabulary builder software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Duolingoduolingo.comHQ: Pittsburgh, PA, United StatesReported employees: 501-1,000 | Pittsburgh, PA, United States | 501-1,000 | Exact match | 1,874 contacts → |
“Duolingo is the most downloaded education app in the history of the App Store.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Babbelbabbel.comHQ: Berlin, GermanyReported employees: 501-1,000 | Berlin, Germany | 501-1,000 | Exact match | 1,008 contacts → |
“Driven by the purpose of creating mutual understanding through language, Babbel has been building digital language learning products for consumers and businesses since 2007.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Twenixtwenix.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 534 contacts → |
“La vida no es listen and repeat’.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Lrdg Language Research Development Grouplrdgonline.comHQ: Montreal, QC, CanadaReported employees: 51-200 | Montreal, QC, Canada | 51-200 | Exact match | 189 contacts → |
“Founded in Montreal, QC in 2002, LRDG is the leading developer and supplier of online language training technology solutions in Canada.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mango Languagesmangolanguages.comHQ: Detroit, MI, United StatesReported employees: 51-200 | Detroit, MI, United States | 51-200 | Exact match | 156 contacts → |
“Mango Languages offers a cutting-edge digital adaptive language-learning system, leveraging proven methodologies and language-specific content to foster retention and rapidly…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | L Labs INCllabs.com HQ: Beijing, TaiwanReported employees: 51-200 | Beijing, Taiwan | 51-200 | Exact match | 115 contacts → |
“Founded in 2002, L Labs is an educational software company that focuses on developing innovative language learning tools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Englishcentral Teachersenglishcentral.comHQ: PhilippinesReported employees: 201-500 | Philippines | 201-500 | Exact match | 99 contacts → |
“EnglishCentral Philippines Inc.(formerly Langrich-On: Language Proficiency Inc.) was founded in 2010 in Cebu, Philippines and was a Japanese start-up that uses Filipino…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  innovativelanguage.cominnovativelanguage.comHQ: Tokyo, United StatesReported employees: 11-50 | Tokyo, United States | 11-50 | Exact match | 81 contacts → |
“InnovativeLanguage.com offers an innovative, fun, and easy to use language learning system that is designed to get you speaking from the very first lesson.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Flexgeflexge.comHQ: Foz Do Iguacu, BrazilReported employees: 11-50 | Foz Do Iguacu, Brazil | 11-50 | Exact match | 61 contacts → |
“Flexge provides you with innovative and dynamic English learning courseware, designed to meet the unique needs of schools, universities and companies.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Istoriaistoria.appHQ: Riyadh, Saudi ArabiaReported employees: 11-50 | Riyadh, Saudi Arabia | 11-50 | Exact match | 54 contacts → |
“iStoria is the world’s most enjoyable way to learn the English language through interesting stories.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Memrisememrise.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Hola!” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MRS Wordsmithmrswordsmith.comHQ: Clerkenwell, United KingdomReported employees: 11-50 | Clerkenwell, United Kingdom | 11-50 | Exact match | 51 contacts → |
“Mrs Wordsmith creates award-winning books, games, and apps that make reading and writing irresistible to kids aged 3–13.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lioshutan Digital Learning INClioshutan.comHQ: West District, TaiwanReported employees: 51-200 | West District, Taiwan | 51-200 | Exact match | 35 contacts → |
“By creating an inspiring and motivating environment for our teams, we can bring forward the most effectual learning formula for our students in this fast-paced modern world." –…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lingcolingco.ioHQ: Lansing, MI, United StatesReported employees: 11-50 | Lansing, MI, United States | 11-50 | Exact match | 31 contacts → |
“Lingco is an adaptive language learning platform for schools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Membeanmembean.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 30 contacts → |
“Membean is a vocabulary program that builds word consciousness.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Neltasneltas.comHQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 30 contacts → |
“NELTAS is a Leading Education and Innovation Company focused on language learning and enhancement with research based curriculum, training and assessment.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Words Worthwordsworthelt.comHQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 30 contacts → |
“Words Worth blends the web and mobile technologies to deliver an engaging, interactive, and stimulating English language learning system for teachers and students.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Lingualeolingualeo.comHQ: Moscow, RussiaReported employees: 11-50 | Moscow, Russia | 11-50 | Exact match | 29 contacts → |
“Lingualeo is a personal online service for English language learning.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Master English LTDmasterenglish.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 28 contacts → |
“Master English is an app for Spanish-speaking adults who need advanced English skills for their careers.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Phase6phase6.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 27 contacts → |
“phase6 ist ein Unternehmen der EdTech-Branche und Deutschlands führender Vokabeltrainer.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  linguahouse.comlinguahouse.comHQ: Cracow, PolandReported employees: 11-50 | Cracow, Poland | 11-50 | Exact match | 26 contacts → |
“Linguahouse.com is a leading online provider of English and Spanish language teaching resources, with over downloadable worksheets and nearly 1 million registered users worldwide.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Wordup APPwordupapp.coHQ: Sutton, United KingdomReported employees: 11-50 | Sutton, United Kingdom | 11-50 | Exact match | 25 contacts → |
“WordUp is revolutionising the way English vocabulary is learned around the world.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Lingua Attacklingua-attack.comHQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Lingua Attack is an online language learning platform and resource designed to motivate and engage language learners in schools, universities, training centres and companies.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lingopanda Previously Pingolearnlingopanda.appHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 24 contacts → |
“Lingopanda (previously PingoLearn) is an English learning app that helps you practice pronunciation and vocabulary, so you can speak English confidently and clearly.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Migakumigaku.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 23 contacts → |
“Connecting with another language is a difficult task, especially when you’re just starting out.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 613 company matches
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Vocabulary builder software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
611 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 613 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Vocabulary builder software companies by location
3 lists · largest firstEvery Vocabulary builder software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for vocabulary builder software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many vocabulary builder software companies did RevenueBase find worldwide?
The saved snapshot records 613 matching company records, 8,031 tracked contacts and 1,867 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 vocabulary builder software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/vocabulary-builder-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 vocabulary builder software companies worldwide
RevenueBase records 613 matching company records for vocabulary builder software companies worldwide, with 8,031 tracked contacts and 1,867 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 vocabulary builder software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Duolingoduolingo.com HQ: Pittsburgh, PA, United StatesReported employees: 501-1,000 | Pittsburgh, PA, United States | 501-1,000 | Exact match | 1,874 contacts → |
“Duolingo is the most downloaded education app in the history of the App Store.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Babbelbabbel.com HQ: Berlin, GermanyReported employees: 501-1,000 | Berlin, Germany | 501-1,000 | Exact match | 1,008 contacts → |
“Driven by the purpose of creating mutual understanding through language, Babbel has been building digital language learning products for consumers and businesses since 2007.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Twenixtwenix.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 534 contacts → |
“La vida no es listen and repeat’.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Lrdg Language Research Development Grouplrdgonline.com HQ: Montreal, QC, CanadaReported employees: 51-200 | Montreal, QC, Canada | 51-200 | Exact match | 189 contacts → |
“Founded in Montreal, QC in 2002, LRDG is the leading developer and supplier of online language training technology solutions in Canada.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mango Languagesmangolanguages.com HQ: Detroit, MI, United StatesReported employees: 51-200 | Detroit, MI, United States | 51-200 | Exact match | 156 contacts → |
“Mango Languages offers a cutting-edge digital adaptive language-learning system, leveraging proven methodologies and language-specific content to foster retention and rapidly…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | L Labs INCllabs.com HQ: Beijing, TaiwanReported employees: 51-200 | Beijing, Taiwan | 51-200 | Exact match | 115 contacts → |
“Founded in 2002, L Labs is an educational software company that focuses on developing innovative language learning tools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Englishcentral Teachersenglishcentral.com HQ: PhilippinesReported employees: 201-500 | Philippines | 201-500 | Exact match | 99 contacts → |
“EnglishCentral Philippines Inc.(formerly Langrich-On: Language Proficiency Inc.) was founded in 2010 in Cebu, Philippines and was a Japanese start-up that uses Filipino…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | innovativelanguage.cominnovativelanguage.com HQ: Tokyo, United StatesReported employees: 11-50 | Tokyo, United States | 11-50 | Exact match | 81 contacts → |
“InnovativeLanguage.com offers an innovative, fun, and easy to use language learning system that is designed to get you speaking from the very first lesson.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Flexgeflexge.com HQ: Foz Do Iguacu, BrazilReported employees: 11-50 | Foz Do Iguacu, Brazil | 11-50 | Exact match | 61 contacts → |
“Flexge provides you with innovative and dynamic English learning courseware, designed to meet the unique needs of schools, universities and companies.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Istoriaistoria.app HQ: Riyadh, Saudi ArabiaReported employees: 11-50 | Riyadh, Saudi Arabia | 11-50 | Exact match | 54 contacts → |
“iStoria is the world’s most enjoyable way to learn the English language through interesting stories.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Memrisememrise.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 54 contacts → |
“Hola!” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MRS Wordsmithmrswordsmith.com HQ: Clerkenwell, United KingdomReported employees: 11-50 | Clerkenwell, United Kingdom | 11-50 | Exact match | 51 contacts → |
“Mrs Wordsmith creates award-winning books, games, and apps that make reading and writing irresistible to kids aged 3–13.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lioshutan Digital Learning INClioshutan.com HQ: West District, TaiwanReported employees: 51-200 | West District, Taiwan | 51-200 | Exact match | 35 contacts → |
“By creating an inspiring and motivating environment for our teams, we can bring forward the most effectual learning formula for our students in this fast-paced modern world." –…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lingcolingco.io HQ: Lansing, MI, United StatesReported employees: 11-50 | Lansing, MI, United States | 11-50 | Exact match | 31 contacts → |
“Lingco is an adaptive language learning platform for schools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Membeanmembean.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 30 contacts → |
“Membean is a vocabulary program that builds word consciousness.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Neltasneltas.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 30 contacts → |
“NELTAS is a Leading Education and Innovation Company focused on language learning and enhancement with research based curriculum, training and assessment.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Words Worthwordsworthelt.com HQ: Ahmedabad, IndiaReported employees: 11-50 | Ahmedabad, India | 11-50 | Exact match | 30 contacts → |
“Words Worth blends the web and mobile technologies to deliver an engaging, interactive, and stimulating English language learning system for teachers and students.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Lingualeolingualeo.com HQ: Moscow, RussiaReported employees: 11-50 | Moscow, Russia | 11-50 | Exact match | 29 contacts → |
“Lingualeo is a personal online service for English language learning.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Master English LTDmasterenglish.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 28 contacts → |
“Master English is an app for Spanish-speaking adults who need advanced English skills for their careers.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Phase6phase6.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 27 contacts → |
“phase6 ist ein Unternehmen der EdTech-Branche und Deutschlands führender Vokabeltrainer.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | linguahouse.comlinguahouse.com HQ: Cracow, PolandReported employees: 11-50 | Cracow, Poland | 11-50 | Exact match | 26 contacts → |
“Linguahouse.com is a leading online provider of English and Spanish language teaching resources, with over downloadable worksheets and nearly 1 million registered users worldwide.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Wordup APPwordupapp.co HQ: Sutton, United KingdomReported employees: 11-50 | Sutton, United Kingdom | 11-50 | Exact match | 25 contacts → |
“WordUp is revolutionising the way English vocabulary is learned around the world.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Lingua Attacklingua-attack.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 25 contacts → |
“Lingua Attack is an online language learning platform and resource designed to motivate and engage language learners in schools, universities, training centres and companies.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lingopanda Previously Pingolearnlingopanda.app HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 24 contacts → |
“Lingopanda (previously PingoLearn) is an English learning app that helps you practice pronunciation and vocabulary, so you can speak English confidently and clearly.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Migakumigaku.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 23 contacts → |
“Connecting with another language is a difficult task, especially when you’re just starting out.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 613 company matches
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Vocabulary builder software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
611 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 613 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Vocabulary builder software companies by location
3 lists · largest firstEvery Vocabulary builder software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for vocabulary builder software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many vocabulary builder software companies did RevenueBase find worldwide?
The saved snapshot records 613 matching company records, 8,031 tracked contacts and 1,867 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 vocabulary builder software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/vocabulary-builder-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗